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Socket Weld Flange Dimensions (ASME B16.5)

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Table of Contents

The charts show the dimensions of socket weld flange class 150, 300, 400, 900, 1500, 2500 in inches and in millimeters.

SOCKET WELD FLANGE DIMENSIONS IN INCHES

SOCKET WELD CLASS 150 (IN INCH)

Dimensions of socket weld flange class 150 (in inches)

Socket Weld Flange Dimensions ASME B16.5

NPSIDODBolt Circle (BC)Raised Face (R)Raised Face (RF)HDID 2*Raised Face Thickness (T)T1Flat Face Thickness (T2)Bolt Hole (B)No. of Bolt Holes
1/2″0.88″3.50″2.38″1.38″.063″1.19″.38″0.62″.62″.38″.56″.62″4
3/4″1.09″3.88″2.75″1.69″.063″1.50″.44″0.82″.62″.44″.56″.62″4
1″1.36″4.25″3.12″2.00″.063″1.94″.50″1.05″.69″.50″.63″.62″4
1-1/4″1.70″4.62″3.50″2.50″.063″2.31″.56″1.38″.81″.56″.75″.62″4
1-1/2″1.97″5.00″3.88″2.88″.063″2.56″.62″1.61″.88″.62″.82″.62″4
2″2.44″6.00″4.75″3.62″.063″3.06″.69″2.07″1.00″.69″.94″.75″4
2-1/2″2.94″7.00″5.50″4.12″.063″3.56″.75″2.47″1.12″.82″1.06″.75″4
3″3.57″7.50″6.00″5.00″.063″4.25″.81″3.07″1.19″.88″1.13″.75″4
3-1/2″4.07″8.50″7.00″5.50″.063″4.81″.88″3.55″1.25″.88″1.19″.75″8
4″4.57″9.00″7.50″6.19″.063″5.31″.94″4.03″1.31″.88″1.25″.75″8
5″5.66″10.00″8.50″7.31″.063″6.44″.94″5.05″1.44″.88″1.38″.88″8
6″6.72″11.00″9.50″8.50″.063″7.56″1.06″6.07″1.56″.94″1.50″.88″8
8″8.72″13.50″11.75″10.62″.063″9.69″1.25″7.98″1.75″1.06″1.69″.88″8
10″10.88″16.00″14.25″12.75″.063″12.00″1.31″10.02″1.94″1.13″1.88″1.00″12
12″12.88″19.00″17.00″15.00″.063″14.38″1.56″12.00″2.19″1.19″2.13″1.00″12
14″14.14″21.00″18.75″16.25″.063″15.75″1.63″13.25″2.25″1.32″2.19″1.12″12
16″16.16″23.50″21.25″18.50″.063″18.00″1.75″15.25″2.50″1.38″2.44″1.12″16
18″18.18″25.00″22.75″21.00″.063″19.88″1.94″17.25″2.69″1.50″2.63″1.25″16
20″20.20″27.50″25.00″23.00″.063″22.00″2.13″19.25″2.88″1.63″2.83″1.25″20
22″22.22″29.50″27.25″25.25″.063″24.25″2.38″21.25″3.13″1.75″3.07″1.38″20
24″24.25″32.00″29.50″27.25″.063″26.12″2.50″23.25″3.25″1.82″3.19″1.38″20

SOCKET WELD CLASS 300 (IN INCH)

Dimensions of socket weld flange class 300 (in inches)

Socket Weld Flange Dimensions ASME B16.5

FLANGE
NPS
Inside
Diameter
Outside
Diameter
Bolt Circle (BC)Raised Face (R)Raised Face (RF)HDID 2*Raised Face Thickness (T)T1Flat Face Thickness (T2)Bolt Hole (B)No. of Bolt Holes
1/2″0.88″3.75″2.62″1.38″.063″1.50″.38″0.62″0.88″0.50″0.82″0.62″4
3/4″1.09″4.62″3.25″1.69″.063″1.88″.44″0.82″1.00″.056″0.94″0.75″4
1″1.36″4.88″3.50″2.00″.063″2.12″.50″1.05″1.06″0.63″1.00″0.75″4
1-1/4″1.70″5.25″3.88″2.50″.063″2.50″.56″1.38″1.06″0.69″1.00″0.75″4
1-1/2″1.97″6.12″4.50″2.88″.063″2.75″.62″1.61″1.19″0.75″1.13″0.88″4
2″2.44″6.50″5.00″3.62″.063″3.31″.69″2.07″1.31″0.82″1.25″0.75″8
2-1/2″2.94″7.50″5.88″4.12″.063″3.94″.75″2.47″1.50″0.94″1.44″0.88″8
3″3.57″8.25″6.62″5.00″.063″4.62″.81″3.07″1.69″1.06″1.63″0.88″8

SOCKET WELD CLASS 600 (IN INCH)

Dimensions of socket weld flanges class 600 (in inches)

Socket Weld Flange Dimensions ASME B16.5

FLANGE
NPS
IDODBolt Circle (BC)Raised Face (R)Raised Face (RF)HDID 2*Raised Face Thickness (T)T1Flat Face Thickness (T2)Bolt Hole (B)No. of Bolt Holes
1/2″0.88″3.75″2.62″1.38″.250″1.50″.38″0.55″1.13″0.56″0.88″0.62″4
3/4″1.09″4.62″3.25″1.69″.250″1.88″.44″0.74″1.25″0.62″1.00″0.75″4
1″1.36″4.88″3.50″2.00″.250″2.12″.50″0.96″1.31″0.69″1.06″0.75″4
1-1/4″1.70″5.25″3.88″2.50″.250″2.50″.56″1.28″1.37″0.81″1.12″0.75″4
1-1/2″1.97″6.12″4.50″2.88″.250″2.75″.62″1.50″1.50″0.88″1.25″0.88″4
2″2.44″6.50″5.00″3.62″.250″3.31″.69″1.94″1.69″1.00″1.44″0.75″8
2-1/2″2.94″7.50″5.88″4.12″.250″3.94″.75″2.32″1.87″1.12″1.62″0.88″8
3″3.57″8.25″6.62″5.00″.250″4.62″.81″2.90″2.06″1.25″1.81″0.88″8

SOCKET WELD CLASS 1500 (IN INCH)

Dimensions of socket weld flange class 1500 (in inches)

Socket Weld Flange Dimensions ASME B16.5

SOCKET WELD FLANGE DIMENSIONS IN MILLIMETERS

SOCKET WELD CLASS 150 (IN MM)

Socket weld flange dimensions class 150 in millimeters (ASME B16.5)

Socket weld flange dimensions

Size
inch
D
mm
X
mm
G
mm
t
mm
B1
mm
B2
mm
T2
mm
Y
mm
1/28930.235.111.215.722.415.79.7
3/49938.142.912.720.827.715.711.2
110849.350.814.226.734.517.512.7
11758.763.515.735.143.220.614.2
12765.073.217.540.949.522.415.7
215277.791.919.152.662.025.417.5
17890.4104.622.462.774.728.419.1
3191108.0127.023.978.090.730.220.6
216122.2139.723.990.2103.431.822.4
4229134.9157.223.9102.4116.133.323.9
5254163.6185.723.9128.3143.836.623.9
6279192.0215.925.4154.2170.739.626.9
8343246.1269.728.4202.7221.544.531.8
10406304.8323.930.2254.5276.449.333.3
12483365.3381.031.8304.8327.255.639.6
14533400.1412.835.1336.6359.257.241.4
16597457.2469.936.6387.4410.563.544.5
18635505.0533.439.6438.2461.868.349.3
20699558.8584.242.9489.0513.173.254.1
24813663.4692.247.8590.6616.082.663.5

 

SizeDrillingBolting
inchBolt circle
Diameter mm
Holes #Holes Dia. mmBolt Dia. inch.Length
FF Flange
Length
RF Flange
Length
RTJ Flange
1/260.5415.71/250.857.2
3/469.9415.71/250.863.5
179.2415.71/257.263.576.2
88.9415.71/257.269.982.6
98.6415.71/263.569.982.6
2120.7419.15/869.982.695.3
139.7419.15/876.288.9101.6
3152.4419.15/876.288.9101.6
177.8819.15/876.288.9101.6
4190.5819.15/876.288.9101.6
5215.9822.43/482.695.3108.0
6241.3822.43/482.6101.6114.3
8298.5822.43/488.9108.0120.7
10362.01225.47/8101.6114.3127.0
12431.81225.47/8101.6120.7133.4
14476.31228.41114.3133.4146.1
16539.81628.41114.3133.4146.1
18577.91631.811/8127.0146.1158.8
20635.02031.811/8139.7158.8171.5
24749.32035.1152.4171.5184.2

SOCKET WELD CLASS 300 (IN MM)

Socket weld flange dimensions class 300 in millimeters (ASME B16.5)

Socket weld flange dimensions

Size
inch
D
mm
X
mm
G
mm
t
mm
B1
mm
B2
mm
T2
mm
Y
mm
1/29538.135.114.215.722.422.49.7
3/411747.842.915.720.827.725.411.2
112453.850.817.526.734.526.912.7
13363.563.519.135.143.226.914.2
15569.973.220.640.949.530.215.7
216584.191.922.452.662.033.317.5
191100.1104.625.462.774.738.119.1
3210117.3127.028.478.090.742.920.6
229133.4139.730.290.2103.444.522.4
4254146.1157.231.8102.4116.147.823.9
5279177.8185.735.1128.3143.850.823.9
6318206.2215.936.6154.2170.752.326.9
8381260.4269.741.1202.7221.562.031.8
10445320.5323.947.8254.5276.466.533.3
12521374.7381.050.8304.8327.273.239.6
14584425.5412.863.8336.6359.276.241.4
16648482.6469.957.2387.4410.582.644.5
18711533.4533.460.5438.2461.888.949.3
20775587.2584.263.5489.0513.195.354.1
24914701.5692.269.9590.6616.0106.463.5

 

SizeDrillingBolting
inchBolt circle
Diameter mm
Holes #Holes Dia. mmBolt Dia. inch.Length
FF Flange
Length
RF Flange
Length
RTJ Flange
1/266.5415.71/257.263.576.2
3/482.6419.15/863.576.288.9
188.9419.15/863.576.288.9
98.6419.15/869.982.695.3
114.3422.43/476.288.9101.6
2127.0819.15/876.288.9101.6
149.4822.43/482.6101.6114.3
3168.1822.43/488.9108.0120.7
184.2822.43/495.3108.0127.0
4200.2822.43/495.3114.3127.0
5235.0822.43/4108.0120.7133.4
6269.71222.43/4108.0120.7139.7
8330.21225.47/8120.7139.7152.4
10387.41628.41139.7158.8171.5
12450.91631.811/8146.1171.5184.2
14514.42031.811/8158.8177.8190.5
16571.52035.1165.1190.5203.2
18628.72435.1171.5196.9209.6
20685.82435.1184.2203.2222.3
24812.82441.1203.2228.6254.0

SOCKET WELD CLASS 600 (IN MM)

Socket weld flange dimensions class 600 in millimeters (ASME B16.5)

Socket weld flange dimensions

Size
inch
D
mm
X
mm
G
mm
t
mm
B1
mm
B2
mm
T2
mm
Y
mm
1/29538.135.114.2B36.10/.1922.422.49.7
3/411747.842.915.7B36.10/.1927.725.411.2
112453.850.817.5B36.10/.1934.526.912.7
13363.563.520.6B36.10/.1943.228.414.2
15569.973.222.4B36.10/.1949.531.815.7
216584.191.925.4B36.10/.1962.036.617.5
191100.1104.628.4B36.10/.1974.741.119.1
3210117.3127.031.8B36.10/.1990.746.020.6
229133.4139.735.1B36.10/.19103.449.322.4
4273152.4157.238.1B36.10/.19116.153.823.9
5330189.0185.744.5B36.10/.19143.860.523.9
6356222.3215.947.8B36.10/.19170.766.526.9
8419273.1269.755.6B36.10/.19221.576.231.8
10508342.9323.963.5B36.10/.19276.485.933.3
12559400.1381.066.5B36.10/.19327.291.939.6
14603431.8412.869.9B36.10/.19359.293.741.4
16686495.3469.976.2B36.10/.19410.5106.444.5
18743546.1533.482.6B36.10/.19461.8117.349.3
20813609.6584.288.9B36.10/.19513.1127.054.1
24940717.6692.2101.6B36.10/.19616.0139.763.5

 

SizeDrillingBolting
inchBolt circle
Diameter mm
Holes #Holes Dia. mmBolt Dia. inch.Length
FF Flange
Length
RF Flange
Length
RTJ Flange
1/266.5415.71/276.269.976.2
3/482.6419.15/888.982.688.9
188.9419.15/888.982.688.9
98.6419.15/895.388.995.3
114.3422.43/4108.0101.6108.0
2127.0819.15/8108.0101.6108.0
149.4822.43/4120.7114.3120.7
3168.1822.43/4127.0120.7127.0
184.2825.47/8139.7133.4139.7
4215.9825.47/8146.1139.7146.1
5266.7828.41165.1158.8165.1
6292.11228.41171.5165.1171.5
8349.31231.811/8190.5184.2196.9
10431.81635.1215.9209.6215.9
12489.02035.1222.3215.9222.3
14527.12038.113/8235.0228.6235.0
16603.32041.1254.0247.7254.0
18654.12044.515/8273.1266.7273.1
20723.92444.515/8285.8279.4292.1
24838.22450.817/8330.2323.9336.6

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